[2] On 13 October 1907, in his first game against his old club, Bělka scored twice for Slavia in a 2–2 draw against Sparta Prague.

Just over a month later, on 24 November 1907, Bělka scored five times for Slavia in a 9–1 derby win away to Sparta Prague.

Bělka subsequently returned to Slavia, winning the 1913 league title in his first season back at the club.

[4] Bělka was used as the main striker for Slavia in his second spell at the club, before his retirement from playing at the age of 32 in the autumn of 1918.

[6] In 1925, upon the formation of the professional Czechoslovak First League, Bělka was appointed manager of Viktoria Žižkov.